Vgoohobby Steel Spur Gear M0.8 32P Main Gear Compatible with Traxxas 1/10 Slash Stampede Rsutler 4X4 RC Car Upgrade PartSuggest to add lubricating oil, it can be reduce the friction between the metal gears The spur gear compatible with Traxxas 1 10 Slash 4X4, Rustler 4X4, Stampede 4X4 RC Car. The slash spur gear made of steel material ,strong and durable in use. Compact and lightweight design. CNC machined hardened steel construction. Item Name: 4x4 Spur Gear Part Number:#6447 Material: Steel Module: 0. 8M; Gear Pitch : 2. 51; Number of Teeth: 50T 52T 54T(Optional) ;